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Guarantee that the pres context's device context will be non-null by returning failure from Init() if it's null. Rename inline getter GetDeviceContext() to DeviceContext(), convert all callers to use the inline getter, and remove the virtual/refcounting getter. Bug 229371, r+sr=dbaron.

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git-svn-id: svn://10.0.0.236/trunk@152182 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
bryner%brianryner.com
2004-02-02 22:17:21 +00:00
parent 1933a43e01
commit 5b5cd321a4
42 changed files with 544 additions and 750 deletions
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37
mozilla/layout/forms/nsFormControlFrame.cpp
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@@ -862,30 +862,25 @@ nsFormControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
}
nsresult
nsFormControlFrame::GetScreenHeight(nsIPresContext* aPresContext, nscoord& aHeight)
nsFormControlFrame::GetScreenHeight(nsIPresContext* aPresContext,
nscoord& aHeight)
{
aHeight = 0;
nsCOMPtr<nsIDeviceContext> context;
aPresContext->GetDeviceContext( getter_AddRefs(context) );
if ( context ) {
nsRect screen;
nsRect screen;
PRBool dropdownCanOverlapOSBar = PR_FALSE;
nsILookAndFeel *lookAndFeel = aPresContext->LookAndFeel();
lookAndFeel->GetMetric(nsILookAndFeel::eMetric_MenusCanOverlapOSBar,
dropdownCanOverlapOSBar);
if ( dropdownCanOverlapOSBar )
context->GetRect ( screen );
else
context->GetClientRect(screen);
nsIDeviceContext *context = aPresContext->DeviceContext();
PRBool dropdownCanOverlapOSBar = PR_FALSE;
nsILookAndFeel *lookAndFeel = aPresContext->LookAndFeel();
lookAndFeel->GetMetric(nsILookAndFeel::eMetric_MenusCanOverlapOSBar,
dropdownCanOverlapOSBar);
if ( dropdownCanOverlapOSBar )
context->GetRect ( screen );
else
context->GetClientRect(screen);
float devUnits;
context->GetDevUnitsToAppUnits(devUnits);
aHeight = NSToIntRound(float(screen.height) / devUnits );
return NS_OK;
}
return NS_ERROR_FAILURE;
float devUnits;
context->GetDevUnitsToAppUnits(devUnits);
aHeight = NSToIntRound(float(screen.height) / devUnits );
return NS_OK;
}
// Calculate a frame's position in screen coordinates